A Chaos Based Robust Spatial Domain Watermarking Algorithm

Authors:
Xianyong Wu;Zhi-Hong Guan;Zhengping Wu
Affiliations:
Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China and School of Electronics and Information, Yangtze University, Jingzhou, Hubei, 4 ...;Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China;Department of Control Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
Venue:
ISNN '07 Proceedings of the 4th international symposium on Neural Networks: Part II--Advances in Neural Networks
Year:
2007

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Abstract

This paper presents a novel spatial domain watermarking scheme based on chaotic maps. Two chaotic maps are employed in our scheme, which is different from most of the existing chaotic watermarking methods, 1-D Logistic map is used to encrypt the watermark signal, and generalized 2-D Arnold cat map is used to encrypt the embedding position of the host image. Simulation results show that the proposed digital watermarking scheme is effective and robust to commonly used image processing operations.